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The Goodman 0130F00038 Auxiliary Limit Switch (light blue) is a genuine OEM safety component for the ACVC950714CXAB gas furnace. This auto-resetting thermal limit monitors temperature in a secondary zone of the furnace — typically near the blower compartment or supply plenum — and opens the circuit to shut down heating if it detects an overheat condition caused by restricted airflow, a dirty filter, or blower failure. A failed switch can cause no-heat conditions or, if stuck, defeat critical overheat protection.
The light-blue color code corresponds to a specific trip temperature. The OEM 0130F00038 guarantees the exact rating and bracket geometry, which is critical for a safety device. Generic switches with mismatched trip points can nuisance-trip or fail to protect the furnace. For safety components, always match OEM.
Easy (2/5). Disconnect power, note wire positions, unscrew the mounting tabs, transfer the spade connectors, and remount. Verify the correct color/temperature code before installing.